US5986437A - Power supply system for portable electronic devices - Google Patents
Power supply system for portable electronic devices Download PDFInfo
- Publication number
- US5986437A US5986437A US08/992,098 US99209897A US5986437A US 5986437 A US5986437 A US 5986437A US 99209897 A US99209897 A US 99209897A US 5986437 A US5986437 A US 5986437A
- Authority
- US
- United States
- Prior art keywords
- charging
- current
- battery
- detection signal
- charging current
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/28—Supervision thereof, e.g. detecting power-supply failure by out of limits supervision
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Description
Claims (6)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960066818A KR100222074B1 (en) | 1996-12-17 | 1996-12-17 | Constant power charging circuit and portable computer using the same |
KR96-66818 | 1996-12-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
US5986437A true US5986437A (en) | 1999-11-16 |
Family
ID=19488489
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US08/992,098 Expired - Lifetime US5986437A (en) | 1996-12-17 | 1997-12-17 | Power supply system for portable electronic devices |
Country Status (3)
Country | Link |
---|---|
US (1) | US5986437A (en) |
KR (1) | KR100222074B1 (en) |
TW (1) | TW388810B (en) |
Cited By (50)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6104170A (en) * | 1998-12-23 | 2000-08-15 | Fairchild Semiconductor Corporation | Method and circuit for preventing oscillations in a battery charger |
US6222347B1 (en) * | 1998-04-30 | 2001-04-24 | Apple Computer, Inc. | System for charging portable computer's battery using both the dynamically determined power available based on power consumed by sub-system devices and power limits from the battery |
US6275006B1 (en) * | 1998-05-27 | 2001-08-14 | Matsushita Electric Industrial Co., Ltd. | Method for charging secondary battery |
US6288522B1 (en) * | 1999-05-13 | 2001-09-11 | International Business Machines Corporation | Method and apparatus for controlling battery charging current |
US6326764B1 (en) | 2000-06-05 | 2001-12-04 | Clement Virtudes | Portable solar-powered CD player and electrical generator |
US6445936B1 (en) * | 1999-11-16 | 2002-09-03 | Agere Systems Guardian Corp. | Low power consumption quick charge for wireless device |
US6452364B1 (en) * | 1999-04-09 | 2002-09-17 | Fujitsu Limited | Battery charge control circuit, battery charging device, and battery charge control method |
US6452362B1 (en) | 1999-07-27 | 2002-09-17 | Samsung Electronics Co., Ltd. | Apparatus and method for controlling power supply to a battery-powered electronic device |
US6465984B2 (en) * | 2000-04-27 | 2002-10-15 | Fujitsu Limited | Pseudo battery pack, battery pack, electronic apparatus, and electronic apparatus system and method |
US20030155887A1 (en) * | 2002-02-15 | 2003-08-21 | Bourilkov Jordan T. | Hybrid power supply |
US20030159073A1 (en) * | 2002-02-15 | 2003-08-21 | Breen John J. | Battery charger current limiting based on AC power adapter power |
US6617826B2 (en) * | 2001-06-14 | 2003-09-09 | Quanta Computer, Inc. | Charging device capable of dynamically adjusting charging power |
US6657415B2 (en) * | 2001-01-19 | 2003-12-02 | Fujitsu Limited | Portable apparatus |
US20040174072A1 (en) * | 2003-03-05 | 2004-09-09 | Bourilkov Jordan T. | Fuel cell hybrid power supply |
US20050093517A1 (en) * | 2003-10-29 | 2005-05-05 | Makita Corporation | Charging device |
US7102415B1 (en) * | 2004-03-26 | 2006-09-05 | National Semiconductor Corporation | Trip-point detection circuit |
US20070019347A1 (en) * | 2005-07-19 | 2007-01-25 | Asustek Computer Inc. | Electrical device with adjustable voltage |
US20070035284A1 (en) * | 2003-09-25 | 2007-02-15 | Koninklijke Philips Electronics N.V. | Switch mode power converter |
US20070188139A1 (en) * | 2006-02-16 | 2007-08-16 | Summit Microelectronics, Inc | System and method of charging a battery using a switching regulator |
US20070188134A1 (en) * | 2006-02-16 | 2007-08-16 | Summit Microelectronics, Inc | Switching battery charging systems and methods |
US20070257654A1 (en) * | 2006-04-26 | 2007-11-08 | Adaptive Materials, Inc. | Power management apparatus |
US20070279954A1 (en) * | 2006-06-05 | 2007-12-06 | Garrett Michael C | Device For Converting AC Power To Multiple DC Outputs With Retractable Cords And Multiple Adapter Tips |
US20080001574A1 (en) * | 2006-05-26 | 2008-01-03 | Tetsuro Hashimoto | Battery charging controller and portable electronic device |
US20080157723A1 (en) * | 2007-01-02 | 2008-07-03 | Intersil Americas Inc. | System and method of charging a battery and power delivery using an adapter and capacitor voltage divider circuit |
WO2008145434A1 (en) * | 2007-05-31 | 2008-12-04 | Nokia Corporation | Portable telecommunications device |
US20090066292A1 (en) * | 2007-09-11 | 2009-03-12 | Yen-Chung Jao | Battery structure and charging device adapted for the battery structure |
US7525291B1 (en) | 2003-01-21 | 2009-04-28 | Microsemi Corporation | Linearly regulated battery charger |
US7528574B1 (en) | 2006-02-16 | 2009-05-05 | Summit Microelectronics, Inc. | Systems and methods of programming voltage and current in a battery charger |
US20090243552A1 (en) * | 2008-03-31 | 2009-10-01 | Lenovo (Singapore) Pte. Ltd | Management of fast battery charging in mobile devices |
US7642671B2 (en) | 2006-04-28 | 2010-01-05 | Acco Brands Usa Llc | Power supply system providing two output voltages |
US20100001695A1 (en) * | 2008-07-03 | 2010-01-07 | Sanyo Electric Co., Ltd. | Charging Control Apparatus and Charging Apparatus |
US20100045238A1 (en) * | 2004-11-03 | 2010-02-25 | Tzi-Yu Jau | Battery Detecting System |
US20100123435A1 (en) * | 2008-11-18 | 2010-05-20 | International Business Machines Corporation | Reduction of peak current requirements |
US20100312411A1 (en) * | 2009-06-05 | 2010-12-09 | Lineage Power Corporation | Ac consumption controller, method of managing ac power consumption and a battery plant employing the same |
US20110006603A1 (en) * | 2009-07-10 | 2011-01-13 | Protonex Technology Corporation | Portable power manager operating methods |
US20110133700A1 (en) * | 2009-12-04 | 2011-06-09 | Linear Technology Corporation | Method and system for minimum output-voltage battery charger |
US8154247B2 (en) | 2007-06-14 | 2012-04-10 | Nokia Corporation | Portable telecommunications device |
EP2600477A1 (en) * | 2010-07-30 | 2013-06-05 | Huizhou TCL Mobile Communication Co., Ltd. | Mobile terminal |
EP2860844A1 (en) * | 2013-09-20 | 2015-04-15 | Electrochem Solutions, Inc. | Adaptive charger to maximize charge rate |
US20160020618A1 (en) * | 2014-07-21 | 2016-01-21 | Ford Global Technologies, Llc | Fast Charge Algorithms for Lithium-Ion Batteries |
USD802533S1 (en) | 2016-03-23 | 2017-11-14 | Protonex Technology Corporation | Portable power manager enclosure |
US10164459B2 (en) | 2013-10-07 | 2018-12-25 | Intel Corporation | Selective rasterization |
US20190044486A1 (en) * | 2017-08-07 | 2019-02-07 | Thx Ltd. | Power management system for battery-powered audio device |
US10250134B2 (en) | 2013-04-01 | 2019-04-02 | Revision Military Ltd. | Power manager |
US10298047B2 (en) * | 2015-01-29 | 2019-05-21 | Ebull Power Innovations Ltd | Dynamic natural adaptive charging method |
US10326284B2 (en) | 2014-11-11 | 2019-06-18 | Revision Military Ltd. | Control module for DC power network |
US20190252905A1 (en) * | 2018-02-09 | 2019-08-15 | Mitsumi Electric Co., Ltd. | Charge control device, charging system, and charge control method |
US10587116B2 (en) | 2015-11-20 | 2020-03-10 | Galvion Soldier Power, Llc | Distributed power manager |
US10848067B2 (en) | 2015-11-20 | 2020-11-24 | Galvion Soldier Power, Llc | Power manager with reconfigurable power converting circuits |
US11258366B2 (en) | 2015-11-20 | 2022-02-22 | Galvion Soldier Power, Llc | Power manager with reconfigurable power converting circuits |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100713399B1 (en) * | 1999-12-30 | 2007-05-03 | 엘지전자 주식회사 | Apparatus and method for controlling the supplying voltage in a monitoring camera |
TWI383559B (en) * | 2008-10-23 | 2013-01-21 | Wistron Corp | Charging system and charging method |
Citations (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4843299A (en) * | 1987-06-01 | 1989-06-27 | Power-Tech Systems Corporation | Universal battery charging system and a method |
US5049804A (en) * | 1987-06-01 | 1991-09-17 | Power-Tech Systems Corporation | Universal battery charging system and a method |
US5150031A (en) * | 1988-09-30 | 1992-09-22 | Motorola, Inc. | Battery charging system |
US5168205A (en) * | 1990-04-04 | 1992-12-01 | Hein-Werner Corporation | Method and apparatus for charging a battery in high amp and automatic charging modes |
US5175485A (en) * | 1990-09-19 | 1992-12-29 | Gold Star Co., Ltd. | Apparatus for controlling charging of a storage battery |
US5241259A (en) * | 1992-06-04 | 1993-08-31 | Motorola, Inc. | Method and apparatus for rapidly charging a battery at high temperature |
US5382893A (en) * | 1991-05-16 | 1995-01-17 | Compaq Computer Corporation | Maximum power regulated battery charger |
US5411816A (en) * | 1992-07-02 | 1995-05-02 | Motorola, Inc. | Method and apparatus for determining battery characteristics |
US5465039A (en) * | 1992-09-16 | 1995-11-07 | International Business Machines Corporation | Power supply for electronic device, and electronic device system |
US5479083A (en) * | 1993-06-21 | 1995-12-26 | Ast Research, Inc. | Non-dissipative battery charger equalizer |
US5481175A (en) * | 1993-12-20 | 1996-01-02 | Motorola, Inc. | System and method for charging auxiliary batteries |
US5541492A (en) * | 1994-01-24 | 1996-07-30 | Motorola, Inc. | Method for charging a multiple voltage electrochemical cell |
US5541490A (en) * | 1992-11-13 | 1996-07-30 | Zenith Data Systems Corporation | Computer power supply system |
US5568038A (en) * | 1993-11-26 | 1996-10-22 | Nec Corporation | Portable electric equipment and rechargeable built-in batteries |
US5592069A (en) * | 1992-10-07 | 1997-01-07 | Dallas Semiconductor Corporation | Battery charger |
US5625275A (en) * | 1995-05-24 | 1997-04-29 | Ast Research, Inc. | Power supply which provides a variable charging current to a battery in a portable computer system |
US5637981A (en) * | 1993-05-14 | 1997-06-10 | Sony Corporation | Method for charging a secondary battery and charger used therefor using constant current and constant voltage |
US5642029A (en) * | 1994-03-03 | 1997-06-24 | Sgs-Thomson Microelectronics S.R.L. | Constant current battery charger with auxiliary output for portable apparatus |
US5739667A (en) * | 1994-12-26 | 1998-04-14 | Fujitsu Limited | Control system for charging batteries and electronic apparatus using same |
-
1996
- 1996-12-17 KR KR1019960066818A patent/KR100222074B1/en not_active IP Right Cessation
-
1997
- 1997-11-21 TW TW086117423A patent/TW388810B/en not_active IP Right Cessation
- 1997-12-17 US US08/992,098 patent/US5986437A/en not_active Expired - Lifetime
Patent Citations (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4843299A (en) * | 1987-06-01 | 1989-06-27 | Power-Tech Systems Corporation | Universal battery charging system and a method |
US5049804A (en) * | 1987-06-01 | 1991-09-17 | Power-Tech Systems Corporation | Universal battery charging system and a method |
US5150031A (en) * | 1988-09-30 | 1992-09-22 | Motorola, Inc. | Battery charging system |
US5168205A (en) * | 1990-04-04 | 1992-12-01 | Hein-Werner Corporation | Method and apparatus for charging a battery in high amp and automatic charging modes |
US5175485A (en) * | 1990-09-19 | 1992-12-29 | Gold Star Co., Ltd. | Apparatus for controlling charging of a storage battery |
US5382893A (en) * | 1991-05-16 | 1995-01-17 | Compaq Computer Corporation | Maximum power regulated battery charger |
US5241259A (en) * | 1992-06-04 | 1993-08-31 | Motorola, Inc. | Method and apparatus for rapidly charging a battery at high temperature |
US5411816A (en) * | 1992-07-02 | 1995-05-02 | Motorola, Inc. | Method and apparatus for determining battery characteristics |
US5465039A (en) * | 1992-09-16 | 1995-11-07 | International Business Machines Corporation | Power supply for electronic device, and electronic device system |
US5592069A (en) * | 1992-10-07 | 1997-01-07 | Dallas Semiconductor Corporation | Battery charger |
US5541490A (en) * | 1992-11-13 | 1996-07-30 | Zenith Data Systems Corporation | Computer power supply system |
US5561361A (en) * | 1992-11-13 | 1996-10-01 | Zenith Data Systems Corporation | Computer power supply and battery recharging system |
US5637981A (en) * | 1993-05-14 | 1997-06-10 | Sony Corporation | Method for charging a secondary battery and charger used therefor using constant current and constant voltage |
US5479083A (en) * | 1993-06-21 | 1995-12-26 | Ast Research, Inc. | Non-dissipative battery charger equalizer |
US5568038A (en) * | 1993-11-26 | 1996-10-22 | Nec Corporation | Portable electric equipment and rechargeable built-in batteries |
US5481175A (en) * | 1993-12-20 | 1996-01-02 | Motorola, Inc. | System and method for charging auxiliary batteries |
US5541492A (en) * | 1994-01-24 | 1996-07-30 | Motorola, Inc. | Method for charging a multiple voltage electrochemical cell |
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Cited By (104)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6222347B1 (en) * | 1998-04-30 | 2001-04-24 | Apple Computer, Inc. | System for charging portable computer's battery using both the dynamically determined power available based on power consumed by sub-system devices and power limits from the battery |
USRE40223E1 (en) * | 1998-05-27 | 2008-04-08 | Matsushita Electric Industrial Co., Ltd. | Method for charging secondary battery |
US6275006B1 (en) * | 1998-05-27 | 2001-08-14 | Matsushita Electric Industrial Co., Ltd. | Method for charging secondary battery |
US6104170A (en) * | 1998-12-23 | 2000-08-15 | Fairchild Semiconductor Corporation | Method and circuit for preventing oscillations in a battery charger |
US6452364B1 (en) * | 1999-04-09 | 2002-09-17 | Fujitsu Limited | Battery charge control circuit, battery charging device, and battery charge control method |
CN100356655C (en) * | 1999-04-09 | 2007-12-19 | 富士通株式会社 | Circuit for controlling battery charging, battery charging device and control method |
US6288522B1 (en) * | 1999-05-13 | 2001-09-11 | International Business Machines Corporation | Method and apparatus for controlling battery charging current |
US6452362B1 (en) | 1999-07-27 | 2002-09-17 | Samsung Electronics Co., Ltd. | Apparatus and method for controlling power supply to a battery-powered electronic device |
US6445936B1 (en) * | 1999-11-16 | 2002-09-03 | Agere Systems Guardian Corp. | Low power consumption quick charge for wireless device |
DE10108017B4 (en) | 2000-04-27 | 2019-01-17 | Fujitsu Limited | Pseudo battery pack and electronic device system |
US6465984B2 (en) * | 2000-04-27 | 2002-10-15 | Fujitsu Limited | Pseudo battery pack, battery pack, electronic apparatus, and electronic apparatus system and method |
US6326764B1 (en) | 2000-06-05 | 2001-12-04 | Clement Virtudes | Portable solar-powered CD player and electrical generator |
US6657415B2 (en) * | 2001-01-19 | 2003-12-02 | Fujitsu Limited | Portable apparatus |
US6617826B2 (en) * | 2001-06-14 | 2003-09-09 | Quanta Computer, Inc. | Charging device capable of dynamically adjusting charging power |
US20030155887A1 (en) * | 2002-02-15 | 2003-08-21 | Bourilkov Jordan T. | Hybrid power supply |
US6928568B2 (en) * | 2002-02-15 | 2005-08-09 | Dell Products L.P. | Battery charger current limiting based on maximum current capacity of AC adapter as determined by adapter identification subsystem |
US7038333B2 (en) * | 2002-02-15 | 2006-05-02 | The Gillette Company | Hybrid power supply |
US20030159073A1 (en) * | 2002-02-15 | 2003-08-21 | Breen John J. | Battery charger current limiting based on AC power adapter power |
US8193779B2 (en) | 2003-01-21 | 2012-06-05 | Microsemi Corporation | Battery charging and discharging by using a bi-directional transistor |
US7528582B1 (en) | 2003-01-21 | 2009-05-05 | Microsemi Corp. | Battery charging and discharging by using a bi-directional transistor |
US7525291B1 (en) | 2003-01-21 | 2009-04-28 | Microsemi Corporation | Linearly regulated battery charger |
US20100277125A1 (en) * | 2003-01-21 | 2010-11-04 | Microsemi Corporation | Battery charging and discharging by using a bi-directional transistor |
US20090206794A1 (en) * | 2003-01-21 | 2009-08-20 | Microsemi Corporation | Linearly regulated battery charger |
US7759906B2 (en) | 2003-01-21 | 2010-07-20 | Microsemi Corporation | Linearly regulated battery charger |
US20090212741A1 (en) * | 2003-01-21 | 2009-08-27 | Microsemi Corporation | Battery charging and discharging by using a bi-directional transistor |
US7759907B2 (en) | 2003-01-21 | 2010-07-20 | Microsemi Corporation | Battery charging and discharging by using a bi-directional transistor |
US7932634B2 (en) * | 2003-03-05 | 2011-04-26 | The Gillette Company | Fuel cell hybrid power supply |
US20040174072A1 (en) * | 2003-03-05 | 2004-09-09 | Bourilkov Jordan T. | Fuel cell hybrid power supply |
US20070035284A1 (en) * | 2003-09-25 | 2007-02-15 | Koninklijke Philips Electronics N.V. | Switch mode power converter |
US7626369B2 (en) * | 2003-09-25 | 2009-12-01 | Nxp B.V. | Switch mode power converter |
US20050093517A1 (en) * | 2003-10-29 | 2005-05-05 | Makita Corporation | Charging device |
US20090039837A1 (en) * | 2003-10-29 | 2009-02-12 | Makita Corporation | Charging apparatus having a switching element for controlling charging power |
US7453239B2 (en) * | 2003-10-29 | 2008-11-18 | Makita Corporation | Charging apparatus having a switching element for controlling charging power |
US7728559B2 (en) * | 2003-10-29 | 2010-06-01 | Makita Corporation | Charging apparatus having a switching element for controlling charging power |
US7102415B1 (en) * | 2004-03-26 | 2006-09-05 | National Semiconductor Corporation | Trip-point detection circuit |
US20100045238A1 (en) * | 2004-11-03 | 2010-02-25 | Tzi-Yu Jau | Battery Detecting System |
US7646168B2 (en) * | 2005-07-19 | 2010-01-12 | Asustek Computer Inc. | Electrical device with adjustable voltage |
US20070019347A1 (en) * | 2005-07-19 | 2007-01-25 | Asustek Computer Inc. | Electrical device with adjustable voltage |
US7834591B2 (en) * | 2006-02-16 | 2010-11-16 | Summit Microelectronics, Inc. | Switching battery charging systems and methods |
US20070188134A1 (en) * | 2006-02-16 | 2007-08-16 | Summit Microelectronics, Inc | Switching battery charging systems and methods |
US7528574B1 (en) | 2006-02-16 | 2009-05-05 | Summit Microelectronics, Inc. | Systems and methods of programming voltage and current in a battery charger |
US20110025277A1 (en) * | 2006-02-16 | 2011-02-03 | Summit Microelectroics, Inc. | Switching battery charging systems and methods |
US8981733B2 (en) | 2006-02-16 | 2015-03-17 | Qualcomm Incorporated | System and method of charging a battery using a switching regulator |
US8471533B2 (en) | 2006-02-16 | 2013-06-25 | Qualcomm Incorporated | System and method of charging a battery using a switching regulator |
US20070188139A1 (en) * | 2006-02-16 | 2007-08-16 | Summit Microelectronics, Inc | System and method of charging a battery using a switching regulator |
US7880445B2 (en) | 2006-02-16 | 2011-02-01 | Summit Microelectronics, Inc. | System and method of charging a battery using a switching regulator |
US8193780B2 (en) | 2006-02-16 | 2012-06-05 | Summit Microelectronics, Inc. | System and method of charging a battery using a switching regulator |
US20110089893A1 (en) * | 2006-02-16 | 2011-04-21 | Summit Microelectronics, Inc. | System and Method of Charging a Battery Using a Switching Regulator |
US20070257654A1 (en) * | 2006-04-26 | 2007-11-08 | Adaptive Materials, Inc. | Power management apparatus |
US7814348B2 (en) | 2006-04-26 | 2010-10-12 | Adaptive Materials, Inc. | Power management apparatus |
US8212386B2 (en) | 2006-04-28 | 2012-07-03 | ACCO Brands Corporation | Power supply system |
US7642671B2 (en) | 2006-04-28 | 2010-01-05 | Acco Brands Usa Llc | Power supply system providing two output voltages |
US20080001574A1 (en) * | 2006-05-26 | 2008-01-03 | Tetsuro Hashimoto | Battery charging controller and portable electronic device |
US7843172B2 (en) * | 2006-05-26 | 2010-11-30 | Rohm Co., Ltd. | Battery charging controller and portable electronic device |
US20070279954A1 (en) * | 2006-06-05 | 2007-12-06 | Garrett Michael C | Device For Converting AC Power To Multiple DC Outputs With Retractable Cords And Multiple Adapter Tips |
WO2007143610A2 (en) * | 2006-06-05 | 2007-12-13 | Aurisma, Llc | Device for converting ac power to multiple dc outputs with retractable cords and multiple adapter tips |
WO2007143610A3 (en) * | 2006-06-05 | 2008-06-05 | Aurisma Llc | Device for converting ac power to multiple dc outputs with retractable cords and multiple adapter tips |
US20080157723A1 (en) * | 2007-01-02 | 2008-07-03 | Intersil Americas Inc. | System and method of charging a battery and power delivery using an adapter and capacitor voltage divider circuit |
US7764050B2 (en) * | 2007-01-02 | 2010-07-27 | Intersil Americas Inc. | System and method of charging a battery and power delivery using an adapter and capacitor voltage divider |
WO2008145434A1 (en) * | 2007-05-31 | 2008-12-04 | Nokia Corporation | Portable telecommunications device |
US8154247B2 (en) | 2007-06-14 | 2012-04-10 | Nokia Corporation | Portable telecommunications device |
US20090066292A1 (en) * | 2007-09-11 | 2009-03-12 | Yen-Chung Jao | Battery structure and charging device adapted for the battery structure |
US20090243552A1 (en) * | 2008-03-31 | 2009-10-01 | Lenovo (Singapore) Pte. Ltd | Management of fast battery charging in mobile devices |
US8288994B2 (en) * | 2008-03-31 | 2012-10-16 | Lenovo (Singapore) Pte. Ltd. | Management of fast battery charging in mobile devices |
US7999517B2 (en) * | 2008-07-03 | 2011-08-16 | Sanyo Electric Co., Ltd. | Charging control apparatus and charging apparatus |
US20100001695A1 (en) * | 2008-07-03 | 2010-01-07 | Sanyo Electric Co., Ltd. | Charging Control Apparatus and Charging Apparatus |
JP2010016984A (en) * | 2008-07-03 | 2010-01-21 | Sanyo Electric Co Ltd | Charging controller and charging equipment |
US20100123435A1 (en) * | 2008-11-18 | 2010-05-20 | International Business Machines Corporation | Reduction of peak current requirements |
US20100312411A1 (en) * | 2009-06-05 | 2010-12-09 | Lineage Power Corporation | Ac consumption controller, method of managing ac power consumption and a battery plant employing the same |
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US11569667B2 (en) | 2009-07-10 | 2023-01-31 | Galvion Soldier Power, Llc | Power managers and methods for operating power managers |
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Also Published As
Publication number | Publication date |
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TW388810B (en) | 2000-05-01 |
KR100222074B1 (en) | 1999-10-01 |
KR19980048256A (en) | 1998-09-15 |
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